| Gagny to Ploufragan | 244.55 mi (393.56 km) |
| Gagny to Plougastel-Daoulas | 317.14 mi (510.38 km) |
| Gagny to Plouzane | 327.49 mi (527.04 km) |
| Gagny to Poissy | 22.38 mi (36.01 km) |
| Gagny to Poitiers | 188.97 mi (304.11 km) |
| Gagny to Pont-a-Mousson | 159.93 mi (257.39 km) |
| Gagny to Pont-du-Chateau | 215.76 mi (347.24 km) |
| Gagny to Pont-Saint-Esprit | 335.06 mi (539.23 km) |
| Gagny to Pont-Sainte-Maxence | 29.04 mi (46.74 km) |
| Gagny to Pontarlier | 223.57 mi (359.80 km) |
| Gagny to Pontchateau | 235.21 mi (378.53 km) |
| Gagny to Pontivy | 257.90 mi (415.05 km) |
| Gagny to Pontoise | 22.77 mi (36.64 km) |
| Gagny to Pornic | 246.65 mi (396.95 km) |
| Gagny to Pornichet | 251.14 mi (404.18 km) |
